Use @import rather than @__experimental_modules_import, since the
latter is rather a mess to type.

llvm-svn: 169919
diff --git a/clang/test/Modules/namespaces.cpp b/clang/test/Modules/namespaces.cpp
index 19e0c5a..871ae79 100644
--- a/clang/test/Modules/namespaces.cpp
+++ b/clang/test/Modules/namespaces.cpp
@@ -11,8 +11,8 @@
 
 namespace N8 { }
 
-@__experimental_modules_import namespaces_left;
-@__experimental_modules_import namespaces_right;
+@import namespaces_left;
+@import namespaces_right;
 
 void test() {
   int &ir1 = N1::f(1);